Yoon Sung-mo inMoviesSort Popularity Votes Average Original Title Release Date The Ransom 7 average rating ★★★★★ Butterfly Effect 6 average rating ★★★★★ Rainbow Playground 5.5 average rating ★★★★★ Our Diary 5 average rating ★★★★★ I Will, Song 4 average rating ★★★★★ A Man Wishes for the First, A Woman Wishes for the Last 5 average rating ★★★★★ 사랑만의 언어 0 average rating ★★★★★